Highway Engineering Part 2

Page 1 of 4

1.

In a proposed alignment the type of soil which will not be preferred is

all of these

ordinary soil

hard rock

soft rock

2.

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

lemniscate

cubic parabola

spiral

any of these

3.

Which of the following roads are congested during peak hours?

express ways

highways

rural roads

urban roads

4.

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

more than the pressure on inner wheels

less than the pressure on inner wheels

zero

equal to the pressure on inner wheels

5.

The materials not included in highway construction are

Soil

Stone

Petrol

Dust

6.

Which of the following shapes is preferred in a valley curve?

cubic parabola

spiral

simple parabola

lemniscate

7.

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

5%

4%

3%

6%

8.

The surface of the pavement should be

very rough

sufficient enough to resist skid

smooth

rough

9.

The maximum allowable super elevation is

1 in 12

1 in 15

1 in 18

1 in 30

10.

As per IRC, the maximum width of a vehicle should be

1.58m

2.44m

3.8m

2m

Page 2 of 4

11.

The layer which is constructed above embankment is called

base

sub grade

fill

sub base

12.

The desirable length of overtaking zone as per IRC recommendation is equal to

three times the overtaking sight distance

two times the overtaking sight distance

overtaking sight distance

five times the overtaking sight distance

13.

The camber of road should be approximately equal to

two times the longitudinal gradient

three times the longitudinal gradient

longitudinal gradient

half the longitudinal gradient

14.

The slope of the line joining the crown and edge of the road surface is known as

camber

cross slope

any of these

cross fall

15.

The steepest gradient in ordinary condition should not exceed

maximum gradient

ruling gradient

exceptional gradient

floating gradient

16.

The sequence of four stages of survey in a highway alignment is

map study, reconnaissance, preliminary survey and detailed survey

reconnaissance, map study, preliminary survey and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

preliminary survey, map study, reconnaissance and detailed survey

17.

For highway geometric design purposes the speed used is

98th percentile

50th percentile

15th percentile

85th percentile

18.

The design life of flexible pavement is

8

10

12

15

19.

In India for design of roads pedestrian is considered as

element of traffic

intruder in traffic

controller of traffic

essential part of traffic

20.

Coefficient of friction is less when the pavement surface is

dry

smooth and wet

rough

smooth and dry

Page 3 of 4

21.

As per IRC the carriage way width for two lane traffic should be

15 m

12.5 m

7.5 m

10 m

22.

The equilibrium super elevation required to counteract the centrifugal force fully is given by

V² / 127R

V²/ 75R

V²/ 27.5R

(0.75V)²/ 127R

23.

Camber in the road is provided for

counteracting the centrifugal force

effective drainage

all of these

having proper sight distance

24.

For places where there is a passage of flood water then the highway has to be built on

subway

overpass

underpass

embankment

25.

The shape of the chamber, best suited for cement concrete pavements is

straight line

elliptical

parabolic

combination of straight and parabolic

26.

Reaction time of a driver

is same for all speeds

increases with increase in speed

decreases with increase in speed

none of these

27.

Camber in the road is provided for

effective drainage

none of these

counteracting the centrifugal force

having proper sight distance

28.

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

1 in 30

1 in 48

1 in 60

1in 36

29.

The alignment of road should cross the series of hills through

none of these

valley

ridge

saddle

30.

Enoscope is used to find

time-mean speed

space-mean speed

average speed

spot speed

Page 4 of 4

31.

The surface of highway pavement should be designed to allow

high rolling resistance

very high rolling resistance

low rolling resistance

no rolling resistance

32.

The highest point on a carriageway is known as

crown

gradient

camber

superelevation

33.

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is called

Traffic engineering

Traffic management

Railway engineering

Highway engineering

34.

Nagpur road plan formulae were prepared by assuming

radial or star and grid road pattern

radial or star and block road pattern

rectangular or block road pattern

radial or star and circular road pattern

35.

Which of the following requirement is given most importance in highway design?

structural

functional

maintenance

seasonal

36.

Stopping sight distance is always

none of the these

equal to overtaking sight distance

more than overtaking sight distance

less than overtaking sight distance

37.

The maximum design gradient for vertical profile of a road is

exceptional gradient

minimum gradient

limiting gradient

ruling gradient

38.

The value of ruling gradient in plains as per IRC recommendation is

1 in 20

1 in 12

1 in 30

1 in 15

39.

For the design of superelevation for mixed traffic conditions, the speed is reduced by

15%

75%

20%

25%

40.

The surface of highway pavement should be designed to allow

high rolling resistance

no rolling resistance

low rolling resistance

very high rolling resistance

Highway Engineering Part 2

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